<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script>
    var obj = {
        name:"达姆",
        marry: () => {
            console.log(this.name + " ❤ 周冬雨")
        }
    }


   //箭头函数的this指向 看上一层作用域的this
    setTimeout(obj.marry.bind(obj),2000)

</script>
</html>